Pith Number

pith:WNIAQRCI

pith:2013:WNIAQRCIBMH7EIZOJNAH5IOLTK

not attested not anchored not stored refs pending

Speckle Reduction with Adaptive Stack Filters

Alejandro C. Frery, Heitor S. Ramos, Mar\'ia Elena Buemi

arxiv:1306.1894 v1 · 2013-06-08 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNIAQRCIBMH7EIZOJNAH5IOLTK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:21:22.949636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3500844480b0ff2232e4b407ea1cb9a8a3863d2f2900f6e1070e9c1830c0b79

Aliases

arxiv: 1306.1894 · arxiv_version: 1306.1894v1 · doi: 10.48550/arxiv.1306.1894 · pith_short_12: WNIAQRCIBMH7 · pith_short_16: WNIAQRCIBMH7EIZO · pith_short_8: WNIAQRCI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WNIAQRCIBMH7EIZOJNAH5IOLTK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b3500844480b0ff2232e4b407ea1cb9a8a3863d2f2900f6e1070e9c1830c0b79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7c109ed6e73cb23a4eb91c02a37d2bba21a958519cf3c8c5c6e308ff01b81fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-06-08T08:21:06Z",
    "title_canon_sha256": "30a1404ee0f5d7b79a3ce7eb07c9cea970fef58dcbffdd63be5d030b0715c9af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1894",
    "kind": "arxiv",
    "version": 1
  }
}